Patents by Inventor Jiaxian Liu

Jiaxian Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240349562
    Abstract: Provided are a tiled display panel and a display device. The tiled display panel includes a transparent substrate and at least two display subpanels. The at least two display subpanels are disposed in at least two tiled regions of the transparent substrate respectively. A first alignment pattern on the transparent substrate includes at least two first sub-patterns. The at least two first sub-patterns are disposed in the at least two tiled regions respectively. A first sub-pattern includes a hollowed-out region. A second alignment pattern on a display subpanel includes at least two second sub-patterns. The shape of a second sub-pattern is the same as the shape of the hollowed-out region. The vertical projection of the second sub-pattern on the transparent substrate is located in the hollowed-out region.
    Type: Application
    Filed: June 25, 2024
    Publication date: October 17, 2024
    Applicant: Shanghai Tianma Microelectronics Co., Ltd.
    Inventors: Shouzheng WU, Yuhui LAI, Yongxin HE, Jiaxian LIU, Jujian FU, Yuan DING
  • Patent number: 12112689
    Abstract: A display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data-writing module, a driving module, and a compensation module. The driving module is configured to provide a driving current for the light-emitting element, wherein the driving module includes a driving transistor, and the driving transistor is an NMOS transistor. The data-writing module is configured to selectively provide a data signal for the driving module. The compensation module is configured to compensate a threshold voltage of the driving transistor. An operational process of the pixel circuit includes a bias stage. In the bias stage, the compensation module is turned off, the driving transistor receives a bias signal, and the bias signal is configured to adjust a bias state of the driving transistor.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: October 8, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Jieliang Li, Jiaxian Liu
  • Publication number: 20240249684
    Abstract: A display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes an amplitude modulation subcircuit and a pulse width modulation subcircuit, and the amplitude modulation subcircuit and the pulse width modulation subcircuit each includes a drive transistor. A working process of at least one of the amplitude modulation subcircuit or the pulse width modulation subcircuit includes a bias stage. A bias adjustment signal is provided to the drive transistor during the bias stage, and the bias adjustment signal is configured to adjust the bias state of the drive transistor.
    Type: Application
    Filed: March 8, 2024
    Publication date: July 25, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventors: Yuqi HU, Yingteng ZHAI, Jiaxian LIU, Tianyi WU, Feng QIN
  • Publication number: 20240237409
    Abstract: Provided are display panels and display apparatus. The display panel includes a driving array layer including a pixel circuit and a driving circuit configured to provide a control signal to the pixel circuit. The pixel circuit includes first and third transistors. The driving circuit includes second and fourth transistors. The first to fourth transistors include an active layer including silicon, an active layer including oxide semiconductor, an active layer including oxide semiconductor, and an active layer including silicon. The first and the third transistors are switching transistors of the pixel circuit, |W1/L1-W4/L4|<|W2/L2-W3/L3|; or the first and the third transistors are a driving transistor and a switching transistor of the pixel circuit, respectively, |W1/L1-W4/L4|>5*|W2/L2-W3/L3|; or the first and third transistors are a switching transistor and a driving transistor of the pixel circuit, respectively, 5*|W1/L1-W4/L4|<|W2/L2-W3/L3|.
    Type: Application
    Filed: January 2, 2024
    Publication date: July 11, 2024
    Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Jieliang LI, Jiaxian LIU
  • Publication number: 20240237408
    Abstract: Provided are display panels and display apparatus. The display panel includes a driving array layer including a pixel circuit and a driving circuit configured to provide a control signal to the pixel circuit. The pixel circuit includes a first capacitor and a first transistor including an active layer including silicon. The driving circuit includes a second capacitor and a second transistor including an active layer including oxide semiconductor. In a direction perpendicular to a plane of the display panel, the first capacitor partially overlaps the first transistor, and the second capacitor does not overlap the second transistor; or in a direction perpendicular to a plane of the display panel, an area of a region where the first capacitor overlaps the first transistor is greater than an area of a region where the second capacitor overlaps the second transistor.
    Type: Application
    Filed: January 2, 2024
    Publication date: July 11, 2024
    Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Jieliang LI, Jiaxian LIU
  • Publication number: 20240222556
    Abstract: A display panel, a method for fabricating the display panel and a display device are provided to improve reliability of the display panel. The display panel includes an array layer, one or more light-emitting devices arranged on the array layer, a first film layer at least partially arranged on the one or more light-emitting devices, and a first electrode arranged on the first film layer. Openings are formed on the first film layer, and at least part of the openings overlap the respective light-emitting devices. The display device including the display panel and the method for fabricating the display panel are further provided.
    Type: Application
    Filed: February 1, 2024
    Publication date: July 4, 2024
    Applicant: SHANGHAI TIANMA MICROELECTRONICS CO., LTD.
    Inventors: Jiaxian LIU, Ming YANG, Ping AN, Quanpeng YU, Feng YU
  • Patent number: 12004372
    Abstract: The present disclosure provides a display panel, including: a substrate; a pixel definition layer disposed on a side of the substrate, that the pixel definition layer includes an isolation structure and a pixel opening enclosed by the isolation structure; and a first lens layer disposed on a side of the pixel definition layer away from the substrate, that the first lens layer includes a first lens body and a lens opening enclosed by the first lens body, and in a thickness direction of the display panel, the first lens body at least overlaps the isolation structure, and the lens opening overlaps the pixel opening, that, an orthographic projection of the first lens body on the substrate is a lens projection, an orthographic projection of the pixel opening on the substrate is a pixel projection, and a distance between at least a portion of an edge of the lens projection and an edge of the pixel projection is substantially zero.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: June 4, 2024
    Assignee: Hubei Yangtze Industrial Innovation Center of Advanced Display Co., LTD.
    Inventors: Yu Cai, Jiaxian Liu
  • Patent number: 11984065
    Abstract: A display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data-writing module, a driving module, and a compensation module. The driving module is configured to provide a driving current for the light-emitting element, wherein the driving module includes a driving transistor, and the driving transistor is an NMOS transistor. The data-writing module is configured to selectively provide a data signal for the driving module. The compensation module is configured to compensate a threshold voltage of the driving transistor. An operational process of the pixel circuit includes a bias stage. In the bias stage, the compensation module is turned off, the driving transistor receives a bias signal, and the bias signal is configured to adjust a bias state of the driving transistor.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: May 14, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Jieliang Li, Jiaxian Liu
  • Publication number: 20240138192
    Abstract: Provided are display panels and display apparatus. The display panel includes a driving array layer including a pixel circuit and a driving circuit configured to provide a control signal to the pixel circuit. The pixel circuit includes first and third transistors. The driving circuit includes second and fourth transistors. The first to fourth transistors include an active layer including silicon, an active layer including oxide semiconductor, an active layer including oxide semiconductor, and an active layer including silicon. The first and the third transistors are switching transistors of the pixel circuit, |W1/L1-W4/L4|<|W2/L2-W3/L3|; or the first and the third transistors are a driving transistor and a switching transistor of the pixel circuit, respectively, |W1/L1-W4/L4|>5*|W2/L2-W3/L3|; or the first and third transistors are a switching transistor and a driving transistor of the pixel circuit, respectively, 5*|W1/L1-W4/L4|<|W2/L2-W3/L3|.
    Type: Application
    Filed: January 2, 2024
    Publication date: April 25, 2024
    Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Jieliang LI, Jiaxian LIU
  • Publication number: 20240138191
    Abstract: Provided are display panels and display apparatus. The display panel includes a driving array layer including a pixel circuit and a driving circuit configured to provide a control signal to the pixel circuit. The pixel circuit includes a first capacitor and a first transistor including an active layer including silicon. The driving circuit includes a second capacitor and a second transistor including an active layer including oxide semiconductor. In a direction perpendicular to a plane of the display panel, the first capacitor partially overlaps the first transistor, and the second capacitor does not overlap the second transistor; or in a direction perpendicular to a plane of the display panel, an area of a region where the first capacitor overlaps the first transistor is greater than an area of a region where the second capacitor overlaps the second transistor.
    Type: Application
    Filed: January 2, 2024
    Publication date: April 25, 2024
    Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Jieliang LI, Jiaxian LIU
  • Patent number: 11903257
    Abstract: Provided are a display panel and a display apparatus. The display panel includes a driving array layer having functional layers and insulation layers. The driving array layer includes a first transistor, a second transistor, a first capacitor including a first plate and a second plate, and a second capacitor including a third plate and a fourth plate. An active layer of the first transistor contains silicon, and an active layer of the second transistor contains oxide semiconductor. The first plate and the second plate are located in two of the functional layers, respectively, and the third plate and the fourth plate are located in two of the functional layers, respectively.
    Type: Grant
    Filed: January 6, 2023
    Date of Patent: February 13, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Jieliang Li, Jiaxian Liu
  • Patent number: 11882730
    Abstract: Provided are a display panel and a display apparatus. The display panel includes a driving array layer having functional layers and insulation layers. The driving array layer includes a first transistor, a second transistor, a first capacitor including a first plate and a second plate, and a second capacitor including a third plate and a fourth plate. An active layer of the first transistor contains silicon, and an active layer of the second transistor contains oxide semiconductor. The first plate and the second plate are located in two of the functional layers, respectively, and the third plate and the fourth plate are located in two of the functional layers, respectively.
    Type: Grant
    Filed: January 6, 2023
    Date of Patent: January 23, 2024
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Jieliang Li, Jiaxian Liu
  • Patent number: 11758787
    Abstract: A display panel and a display device are provided. The display panel includes a display area, a substrate, an array layer located on a side of the substrate, and a light-emitting layer located on a side of the array layer away from the substrate. The light-emitting layer includes light-emitting elements. The display panel also includes a color filter layer located on a side of the light-emitting layer away from the substrate. The color filter layer includes color filter openings. In the display area, the color filter openings include a first color filter opening and a second color filter opening. The first color filter opening is located between the second color filter opening and an edge of the display panel. An orthographic projection area of the first color filter opening on the substrate is larger than an orthographic projection area of the second color filter opening on the substrate.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: September 12, 2023
    Assignee: HUBEI YANGTZE INDUSTRIAL INNOVATION CENTER OF ADVANCED DISPLAY CO., LTD.
    Inventors: Jun Yan, Ai Xiao, Jiaxian Liu
  • Patent number: 11758763
    Abstract: A display panel is provided, including an array substrate; a light-emitting layer located at a side of the array substrate and including a plurality of light-emitting units; a touch dielectric layer located at a side of the light-emitting layer facing away from the array substrate and including a plurality of first apertures; a black matrix located within each of the plurality of first apertures; and a color filter layer located at a side of the touch dielectric layer facing away from the array substrate and including a plurality of color filter units. An orthographic projection of each of the plurality of first apertures on the light-emitting layer is located between two adjacent light-emitting units of the plurality of light-emitting units. The plurality of color filter units is in one-to-one correspondence to the plurality of light-emitting units.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: September 12, 2023
    Assignee: HUBEI YANGTZE INDUSTRIAL INNOVATION CENTER OF ADVANCED DISPLAY CO., LTD.
    Inventors: Leilei Cao, Ai Xiao, Jiaxian Liu, Ming Yang
  • Publication number: 20230217716
    Abstract: The present application provides a display panel and a display device, the display panel includes a light extraction layer and a cover layer, wherein the light extraction layer is located on a side of the cover layer close to a pixel definition layer, a light modulation structure includes a plurality of light extraction units, each of the light extraction units includes a first sub-unit and a second sub-unit, wherein the light extraction layer includes a light extraction opening and the first sub-unit, the second sub-unit is located in the cover layer, and a refractive index of the first sub-unit is smaller than a refractive index of the second sub-unit.
    Type: Application
    Filed: April 13, 2022
    Publication date: July 6, 2023
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Peng SHEN, Junqiang WANG, Jiaxian LIU
  • Publication number: 20230215814
    Abstract: The present application discloses a display panel and a display apparatus. The display panel includes a substrate, a first shielding layer and a driving circuit layer. The first shielding layer is located on a side of the substrate, and the first shielding layer includes a plurality of first shielding units located in a first display region and a plurality of second shielding units located in a second display region. At least a portion of adjacent first shielding units are connected through first connecting parts, and a portion of adjacent second shielding units are connected through second connecting parts. The driving circuit layer is located on a side of the first shielding layer away from the substrate, the driving circuit layer includes a plurality of driving circuits, and each driving circuit includes a driving transistor.
    Type: Application
    Filed: April 19, 2022
    Publication date: July 6, 2023
    Applicant: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Yihua ZHU, Qingjun LAI, Jinjin YANG, Jiaxian LIU
  • Publication number: 20230157077
    Abstract: Provided are a display panel and a display apparatus. The display panel includes a driving array layer having functional layers and insulation layers. The driving array layer includes a first transistor, a second transistor, a first capacitor including a first plate and a second plate, and a second capacitor including a third plate and a fourth plate. An active layer of the first transistor contains silicon, and an active layer of the second transistor contains oxide semiconductor. The first plate and the second plate are located in two of the functional layers, respectively, and the third plate and the fourth plate are located in two of the functional layers, respectively.
    Type: Application
    Filed: January 6, 2023
    Publication date: May 18, 2023
    Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Jieliang LI, Jiaxian LIU
  • Publication number: 20230145533
    Abstract: Provided are a display panel and a display apparatus. The display panel includes a driving array layer having functional layers and insulation layers. The driving array layer includes a first transistor, a second transistor, a first capacitor including a first plate and a second plate, and a second capacitor including a third plate and a fourth plate. An active layer of the first transistor contains silicon, and an active layer of the second transistor contains oxide semiconductor. The first plate and the second plate are located in two of the functional layers, respectively, and the third plate and the fourth plate are located in two of the functional layers, respectively.
    Type: Application
    Filed: January 6, 2023
    Publication date: May 11, 2023
    Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Jieliang LI, Jiaxian LIU
  • Patent number: 11647598
    Abstract: A display apparatus is provided and includes a flexible display screen, a fixator, a rotation rod, and an armrest. The flexible display screen includes a first end and a second end. A direction from the first end to the second end is a first direction, and a direction from the second end to the first end is a second direction. The first end of the flexible display screen is fixed to the fixator, and the second end of the flexible display screen is fixed to the rotation rod. The armrest is provided at a side of the fixator away from the rotation rod. The rotation rod and the armrest are movable relative to the fixator and have opposite rotation directions. The rotation rod rotates while moving relative to the fixator.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: May 9, 2023
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Xiaoyin Zhang, Jiaxian Liu
  • Publication number: 20230108911
    Abstract: Provided is a display panel, comprising a substrate and light-emitting units on a side of the substrate; a black matrix, located on a side of the light-emitting unit way from the substrate, and provided with black matrix openings, a black matrix opening corresponds to a light-emitting unit; and a filter layer, comprising color-resistance units which are disposed in the black matrix openings and at least partially overlap with the light-emitting units of the same color in a direction perpendicular to a plane of the display panel; a color-resistance unit includes microparticles having a particle size, and a difference between the particle size and a wavelength of light emitted by a corresponding light-emitting unit is within a preset range, and the light-emitting units of different colors correspond to different particle sizes of the microparticles of the color-resistance units.
    Type: Application
    Filed: December 6, 2022
    Publication date: April 6, 2023
    Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.
    Inventors: Feng Qin, Jun Yan, Yuan Ding, Linshan Guo, Jiaxian Liu